A Convenient synthesis of 1,2,3-triazole with glyoxal

Synlett

Volumn , Issue 4, 1998, Pages 431-433

  Harada, Katsumasa ^a   Oda, Mizuho ^a   Matsushita, Akio ^a   Shirai, Masashi ^a  

^a UBE INDUSTRIES LTD   (Japan)

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[No Author keywords available]

Indexed keywords

EID: 0344324507     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-1998-1678     Document Type: Article

References (24)

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21. 1a: mp. 96-97 °C ( Found: C, 27.37; H, 5.72; N, 48.29. Requires: C, 27.59; H, 5.79; N, 48.25). IR (KBr disc); 3340.5, 3193.6, 3046.3, 2921.4, 2829.6, 2733.4, 1636.8, 1589.9, 1474.5, 1372.9, 979.7, 957.5, 908.7. 1H-NMR (400MHz, DMSO-D6) δ ppm=10.893 (1H, s), 7.578 (1H, d, J=8.79 Hz), 7.347 (1H, d, J=8.79 Hz), 7.1239 (1H, s). MS (70 eV) m; 87 (M+), 70, 43, 42, 41, 40, 28.
22. Coles, R. F.; Hamilton, C. F. J. Am. Chem. Soc., 1946, 68, 1799.
23. 2: mp. 195-197°C (decomp). (Found: C, 37.39; H, 5.46; N, 32,66. Requires: C, 37.21; H, 5.46; N, 32.54). 1H-NMR(400MHz, DMSO-D6) δ ppm= 1.92, 2.10 (s, 3H), 7.66-7.82 (m, 2H), 11.26, 11.40 (s, 1H), 11.72, 11.79 (s, 1H). MS (70 eV) m;129 (M+), 86, 43.
24. Decomposition of 1a, 2, and 3b started at the following temperature with evolution of heat (cal/g) observed by DSC; 1a: 125.3 °C (952.4 cal/g), 2: 125.3 °C (646.1 cal/g), 3b: 115.2 °C (616.0 cal/g).